This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:29,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:29,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:29,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:29,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:29,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:29,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:29,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:29,295 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:29,296 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:29,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:29,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:29,298 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:29,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:29,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:29,302 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:29,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:29,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:29,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:29,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:29,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:29,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:29,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:29,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:29,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:29,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:29,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:29,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:29,305 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:29,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:29,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:29,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:29,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:29,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:29,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:29,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:29,693 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:29,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sumt4.c [2024-10-15 15:31:31,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:31,440 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:31,441 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt4.c [2024-10-15 15:31:31,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c54712cf9/0321bd94013e44588029d4b104cf18d1/FLAG715f542c2 [2024-10-15 15:31:31,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c54712cf9/0321bd94013e44588029d4b104cf18d1 [2024-10-15 15:31:31,472 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:31,473 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:31,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sumt4.yml/witness-2.1.yml [2024-10-15 15:31:31,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:31,531 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:31,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:31,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:31,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:31,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:31" (1/2) ... [2024-10-15 15:31:31,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b86167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:31" (1/2) ... [2024-10-15 15:31:31,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7dae1b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:31" (2/2) ... [2024-10-15 15:31:31,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b86167 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:31" (2/2) ... [2024-10-15 15:31:31,551 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:31,552 INFO L1541 ArrayList]: Loop invariant at [L21-L32] ((((((long long) i + k) + j) + v4) % 4294967296) == l) [2024-10-15 15:31:31,552 INFO L1541 ArrayList]: Function contract at [L16]: requires null, ensures (SIZE == \old(SIZE)) [2024-10-15 15:31:31,555 INFO L1541 ArrayList]: Function contract at [L8]: requires (cond != 0), ensures ((cond != 0) && (SIZE == \old(SIZE))) [2024-10-15 15:31:31,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:31,782 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt4.c[403,416] [2024-10-15 15:31:31,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:31,812 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:31,852 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt4.c[403,416] Start Parsing Global Start Parsing Local [2024-10-15 15:31:31,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:31,887 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:31,888 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31 WrapperNode [2024-10-15 15:31:31,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:31,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:31,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:31,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:31,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,911 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:31,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:31,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:31,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:31,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:31,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,939 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:31,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:31,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:31,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:31,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:31,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:31,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:31,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-15 15:31:31,990 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-15 15:31:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:32,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:32,108 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:32,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:32,307 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:32,325 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:32,353 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:32,353 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:32,353 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:32 BoogieIcfgContainer [2024-10-15 15:31:32,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:32,358 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:32,358 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:32,364 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:32,364 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:31" (1/4) ... [2024-10-15 15:31:32,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50946e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:31" (2/4) ... [2024-10-15 15:31:32,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50946e1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,367 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (3/4) ... [2024-10-15 15:31:32,367 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50946e1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,367 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:32" (4/4) ... [2024-10-15 15:31:32,369 INFO L79 RefereeObserver]: Analyzing ICFG sumt4.c [2024-10-15 15:31:32,373 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:32,374 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:32,374 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:32,374 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:31:32,374 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:32,374 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-10-15 15:31:32,374 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:32,374 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:32,375 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:32,413 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:32,414 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,414 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,416 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,417 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,437 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:32,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,439 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,444 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,462 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:32,483 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,483 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,483 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,483 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,483 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,488 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,489 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,489 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,500 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:32,519 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-10-15 15:31:32,522 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,522 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,526 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,526 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,572 INFO L101 BaseMinimizeStates]: Removed 21 edges and 6 locations by large block encoding [2024-10-15 15:31:32,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,573 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,573 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,580 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,617 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:32,627 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,627 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,627 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,628 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,628 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,630 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,630 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,631 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,631 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,632 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:32,641 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:31:32,643 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,644 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,644 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,644 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,653 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:31:32,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,656 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,657 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,660 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:32,670 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:32,671 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,671 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,671 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,671 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,675 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:32,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,677 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,678 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,679 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:32,685 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,685 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,686 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,686 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,686 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,689 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,690 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,690 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,692 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:32,696 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:32,698 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50946e1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,698 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:32,700 INFO L158 Benchmark]: Toolchain (without parser) took 1168.57ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 33.0MB in the beginning and 34.0MB in the end (delta: -1.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,702 INFO L158 Benchmark]: CDTParser took 2.52ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:32,702 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:32,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.52ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 53.6MB in the end (delta: -20.8MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.58ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 52.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:32,711 INFO L158 Benchmark]: Boogie Preprocessor took 39.50ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 50.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:32,712 INFO L158 Benchmark]: RCFGBuilder took 403.65ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 37.9MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,713 INFO L158 Benchmark]: Referee took 340.88ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 34.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 10. Annotation is valid for all loop-free paths from loop head at line 21 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.52ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.52ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 53.6MB in the end (delta: -20.8MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.58ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 52.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.50ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 50.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.65ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 37.9MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 340.88ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 34.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:32,742 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...